What airlines fly to Ireland?

Icelandair, United Airlines and Delta are the top three most popular airlines that fly to Ireland from Portland according to our data. Icelandair is the first choice among our users, with 33% of people opting to fly with this airline when traveling to Ireland. Keep in mind that there are 10 different airlines that fly to Ireland on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Portland to Ireland?

Icelandair, United Airlines, and Delta are the most popular carriers operating from Portland to Ireland

When did momondo last update prices for flights from Portland Airport to Ireland?

Prices for flights from Portland Airport to Ireland are refreshed on a daily basis.

How many operators does momondo search for flights from Portland Airport to Ireland?

As of April 2026, there are 10 operators available to choose from for flights from Portland Airport to Ireland.

How old do you have to be to fly from Portland Airport to Ireland?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Portland Airport to Ireland.

What documentation or ID do you need to fly to Ireland?

The travel and health documents you'll need for your trip to Ireland may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ireland. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$290 Cheap Flights from Portland to Ireland in 2026

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Find the cheapest flights from Portland to Ireland

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:30 pm - 1:15 pm

PDX

DUB

13h 45m

1 stop

12:15 pm - 5:55 pm

DUB

PDX

13h 40m

1 stop

$591Icelandair

Mon, Oct 12 - Wed, Oct 21

3:30 pm - 11:05 am

PDX

DUB

11h 35m

1 stop

12:15 pm - 5:55 pm

DUB

PDX

13h 40m

1 stop

$605Icelandair

Tue, Aug 25 - Fri, Sep 11

3:30 pm - 11:05 am

PDX

DUB

11h 35m

1 stop

2:15 pm - 5:55 pm

DUB

PDX

11h 40m

1 stop

$643Icelandair

Thu, Sep 17 - Tue, Sep 29

5:00 am - 7:30 am

PDX

SNN

18h 30m

2 stops

9:30 am - 3:30 pm

SNN

PDX

14h 00m

1 stop

$753United Airlines

Mon, Sep 7 - Thu, Sep 17

7:00 am - 7:30 am

PDX

SNN

16h 30m

1 stop

9:30 am - 6:47 pm

SNN

PDX

17h 17m

1 stop

$754United Airlines

Sun, Sep 6 - Thu, Sep 10

10:35 pm - 11:10 am

PDX

SNN

28h 35m

1 stop

1:05 pm - 9:13 pm

SNN

PDX

16h 08m

1 stop

$793Delta

Sat, Jul 18 - Thu, Jul 23

5:30 am - 2:40 pm

PDX

ORK

25h 10m

2 stops

5:10 pm - 11:10 am

ORK

PDX

26h 00m

1 stop

$815Delta

Sun, May 24 - Mon, Jun 8

1:05 pm - 10:20 am

PDX

ORK

13h 15m

1 stop

5:10 pm - 11:10 am

ORK

PDX

26h 00m

1 stop

$819KLM

Sun, May 24 - Mon, Jun 8

11:20 am - 10:20 am

PDX

ORK

15h 00m

2 stops

5:10 pm - 11:10 am

ORK

PDX

26h 00m

1 stop

$855KLM

Wed, May 13 - Wed, May 20

2:15 pm - 4:30 pm

PDX

ORK

18h 15m

2 stops

4:55 pm - 7:06 pm

ORK

PDX

34h 11m

2 stops

$864Lufthansa

Tue, Sep 8 - Tue, Sep 22

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United Airlines flights from Portland to Ireland

Our best United Airlines deals on Portland to Ireland flight tickets

United Airlines

Aug 16

PDX2:15 pmPortland

35h 30m

1 stop

DUB9:45 amDublin

Sep 2

DUB9:50 amDublin

31h 41m

1 stop

PDX9:31 amPortland

$734

United Airlines

Aug 17

PDX11:15 pmPortland

26h 30m

1 stop

DUB9:45 amDublin

Aug 26

DUB9:50 amDublin

31h 41m

1 stop

PDX9:31 amPortland

$735

United Airlines

Jul 27

PDX11:40 pmPortland

26h 05m

1 stop

DUB9:45 amDublin

Aug 7

DUB9:50 amDublin

31h 41m

1 stop

PDX9:31 amPortland

$737

Lufthansa flights from Portland to Ireland

Our best Lufthansa deals on Portland to Ireland flight tickets

Lufthansa

Sep 8

PDX3:30 pmPortland

32h 15m

2 stops

DUB7:45 amDublin

Sep 18

DUB9:50 amDublin

17h 16m

1 stop

PDX7:06 pmPortland

$736

Lufthansa

Sep 20

PDX3:30 pmPortland

32h 15m

2 stops

DUB7:45 amDublin

Oct 2

DUB9:50 amDublin

17h 16m

1 stop

PDX7:06 pmPortland

$738

Lufthansa

Sep 20

PDX3:30 pmPortland

32h 15m

2 stops

DUB7:45 amDublin

Oct 2

DUB9:50 amDublin

17h 16m

1 stop

PDX7:06 pmPortland

$739

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandDublin

PDX - DUB

PDXDUB

Portland

Mon 10/12

3:30 pm-1:15 pm

1 stop13h 45m

Dublin

Wed 10/21

12:15 pm-5:55 pm

1 stop13h 40m

$591

PortlandDublin

PDX - DUB

PDXDUB

Portland

Tue 8/25

3:30 pm-11:05 am

1 stop11h 35m

Dublin

Fri 9/11

12:15 pm-5:55 pm

1 stop13h 40m

$605

Quickest round-trip

PortlandDublin

PDX - DUB

PDXDUB

Portland

Thu 9/17

3:30 pm-11:05 am

1 stop11h 35m

Dublin

Tue 9/29

2:15 pm-5:55 pm

1 stop11h 40m

$643

PortlandShannon

PDX - SNN

PDXSNN

Portland

Mon 9/7

5:00 am-7:30 am

2 stops18h 30m

Shannon

Thu 9/17

9:30 am-3:30 pm

1 stop14h 00m

$753

PortlandShannon

PDX - SNN

PDXSNN

Portland

Sun 9/6

7:00 am-7:30 am

1 stop16h 30m

Shannon

Thu 9/10

9:30 am-6:47 pm

1 stop17h 17m

$754

PortlandShannon

PDX - SNN

PDXSNN

Portland

Sat 7/18

10:35 pm-11:10 am

1 stop28h 35m

Shannon

Thu 7/23

1:05 pm-9:13 pm

1 stop16h 08m

$793

PortlandCork

PDX - ORK

PDXORK

Portland

Sun 5/24

5:30 am-2:40 pm

2 stops25h 10m

Cork

Mon 6/8

5:10 pm-11:10 am

1 stop26h 00m

$815

PortlandCork

PDX - ORK

PDXORK

Portland

Sun 5/24

1:05 pm-10:20 am

1 stop13h 15m

Cork

Mon 6/8

5:10 pm-11:10 am

1 stop26h 00m

$819

PortlandCork

PDX - ORK

PDXORK

Portland

Wed 5/13

11:20 am-10:20 am

2 stops15h 00m

Cork

Wed 5/20

5:10 pm-11:10 am

1 stop26h 00m

$855

PortlandCork

PDX - ORK

PDXORK

Portland

Tue 9/8

2:15 pm-4:30 pm

2 stops18h 15m

Cork

Tue 9/22

4:55 pm-7:06 pm

2 stops34h 11m

$864

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Portland to Ireland

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Ireland?

In general, November is the cheapest month to fly from Portland to Ireland. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $469. If you aren’t able to travel to Ireland during the month of November, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $484.

How far in advance should I book a flight to Ireland?

You are more likely to see cheaper flights to Ireland from Portland when booking weeks ahead of your departure date. In general, you can expect to find flights to Ireland for around $604 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ireland from Portland for as low as $548 on momondo.

Can stopping save me money on Portland to Ireland flights?

You could potentially save up to 25% on your flight if you consider stops on a Portland to Ireland flight.

Cheap Portland to Ireland flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to Ireland

Fastest flight time	11h 35m
Direct flights	None

The fastest flight from Portland to Ireland takes 11h 35m

There are no direct flights from Portland to Ireland. There are no popular flight routes from Portland to Ireland.

Search flight deals

Frequently asked questions about flying from Portland to Ireland

When did momondo last update prices for flights from Portland Airport to Ireland?
Prices for flights from Portland Airport to Ireland are refreshed on a daily basis.
How many operators does momondo search for flights from Portland Airport to Ireland?
As of April 2026, there are 10 operators available to choose from for flights from Portland Airport to Ireland.
How old do you have to be to fly from Portland Airport to Ireland?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Portland Airport to Ireland.
What documentation or ID do you need to fly to Ireland?
The travel and health documents you'll need for your trip to Ireland may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ireland. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Portland to Ireland

Compare and see reviews for airlines that fly from Portland to Ireland with momondo

Airline	Rating	Free Cancellation	Price
Icelandair	PriceFrom $354	Free Cancellation	Rating 7.0 634 reviews	Search Icelandair flights
Iberia	PriceFrom $436	Free Cancellation	Rating 7.0 3,182 reviews	Search Iberia flights
British Airways	PriceFrom $459	Free Cancellation	Rating 6.7 7,891 reviews	Search British Airways flights
United Airlines	PriceFrom $462	Free Cancellation	Rating 7.4 9,603 reviews	Search United Airlines flights
Air Canada	PriceFrom $466	Free Cancellation	Rating 7.1 10,935 reviews	Search Air Canada flights
American Airlines	PriceFrom $466	Free Cancellation	Rating 7.1 11,610 reviews	Search American Airlines flights
KLM	PriceFrom $468	Free Cancellation	Rating 7.8 1,502 reviews	Search KLM flights
Delta	PriceFrom $468	Free Cancellation	Rating 7.9 8,423 reviews	Search Delta flights
Lufthansa	PriceFrom $477	Free Cancellation	Rating 6.8 7,930 reviews	Search Lufthansa flights
Aer Lingus	PriceFrom $676	Free Cancellation	Rating 7.3 1,512 reviews	Search Aer Lingus flights

Why use momondo?

Why should I use momondo to find a flight deal from Portland to Ireland?

It is quick and easy to find Portland to Ireland flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Ireland that suits you.

Can I find flights from Portland to Ireland with flexible booking policies on momondo?

Flights from Portland to Ireland with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Portland to Ireland?

Once all potential Portland to Ireland flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Portland to Ireland right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Portland to Ireland flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Ireland trip

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Popular cities in Ireland

Flights to Dublinfrom $451

Flights to Shannon, Clarefrom $486

Flights to Corkfrom $583

Flights to Milltown (Kerry)from $758

Flights to Knockfrom $797

Flights to Donegalfrom $945

Cheap flights from Portland to Ireland from $303

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to Ireland departing on 6/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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United Airlines flights from Portland to Ireland

Our best United Airlines deals on Portland to Ireland flight tickets

Lufthansa flights from Portland to Ireland

Our best Lufthansa deals on Portland to Ireland flight tickets

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How to get the cheapest flight ticket from Portland to Ireland

What is the cheapest month to fly to Ireland?

How far in advance should I book a flight to Ireland?

Can stopping save me money on Portland to Ireland flights?

What is the cheapest airline that flies from Portland to Ireland?

What airlines fly to Ireland?

Cheap Portland to Ireland flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to Ireland

Fastest flight time

Direct flights

Frequently asked questions about flying from Portland to Ireland

Best airlines flying from Portland to Ireland

Compare and see reviews for airlines that fly from Portland to Ireland with momondo

Why use momondo?

An easier way to manage your Ireland trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Ireland

Popular cities in Ireland

Popular flights according to clicks in the last 7 days on momondo

Portland flight routes

According to popular flight searches on momondo this year

Ireland flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Ireland

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Ireland

List of cabin classes available on flights landing in Ireland. Availability may vary depending on flight origin and airline.

Complete your trip to Ireland

Explore popular destinations other users love

According to popular flight searches on momondo this year